Detailed comparison and review of Poly EncorePro 320, QD and EPOS I SENNHEISER ADAPT 135 USB II. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headset - wired - Quick Disconnect | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | ADAPT 100 Series | |
| Weight | - | 145.3 g | |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Computer | Portable electronics, computer |
| SOUND QUALITY | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 50 - 8000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER ADAPT 135 USB II offer a larger frequency range than Poly EncorePro 320, QD. |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 118 dB | 115 dB | |
| Diaphragm | 28 mm | - | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | Mono | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 135 USB II microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Controls | Mute, volume | Volume, answer/end |
|---|
| CABLE | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Cable Type | Headset cable | Headset cable |
|---|
| FEATURES | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Connector Type | Headset (Quick Disconnect) | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly EncorePro 320, QD | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Software Certification | - | Optimised for UC | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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